Product comparison · 2 memory modules

HyperX 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM vs HyperX 4GB (2 x 2GB) 667MHz DDR2

7specifications compared
5differ
2identical
16known for one product only

Key differences

Internal memory
- 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM:2 GB
- 4GB (2 x 2GB) 667MHz DDR2:4 GB
Internal memory type
- 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM:DDR3
- 4GB (2 x 2GB) 667MHz DDR2:DDR2
Memory form factor
- 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM:240-pin DIMM
- 4GB (2 x 2GB) 667MHz DDR2:200-pin SO-DIMM
CAS latency
- 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM:7
- 4GB (2 x 2GB) 667MHz DDR2:4
Memory voltage
- 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM:1.7 V
- 4GB (2 x 2GB) 667MHz DDR2:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM, 4GB (2 x 2GB) 667MHz DDR2
23 specifications	A HyperX 2GB, 1375MHz, DDR3, Non-ECC, Low-Latency, CL7 (7-7-7-20), DIMM View product	B HyperX 4GB (2 x 2GB) 667MHz DDR2 View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory typeDiffers	DDR3	DDR2
Component forKnown for one	Unknown — not stated by the source	Laptop
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	7	4
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageDiffers	1.7 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M x 64
Row cycle timeKnown for one	Unknown — not stated by the source	60 ns
Refresh row cycle timeKnown for one	Unknown — not stated by the source	127.5 ns
Row active timeKnown for one	Unknown — not stated by the source	70000 ns
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 55 °C
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 2048 MB
Number of pinsKnown for one	Unknown — not stated by the source	200
Memory technologyKnown for one	Unknown — not stated by the source	PC2-5300

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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